@article{NAM_1914_4_14__363_1,
     author = {Kollros, L.},
     title = {Sur les sph\'ero{\"\i}des},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {363--364},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {4e s{\'e}rie, 14},
     year = {1914},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1914_4_14__363_1/}
}